The modded_maps.zip file you have requested: Maps Levels Missions / Miscellaneous / M to N Titles / Spartan vs Marines v1.6 - 14.89mb is not available. Perhaps try browsing all files for the game Halo: Combat Evolved and upload any files you want to share or are missing. This is the only information we could locate:
THANK YOU FOR DOWNLOADING SPARTEN VS MARINE MODDED MAP!___________________________________________________________________FEATURES* great fun and new things* little hard * all your friends are spartens* version 1.5________________ A group of spartans joined together to go fight on an island. Every spartan goes but you and a buddy.